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SPN 1324 — Misfire, Cylinder #2

Safe to driveDrivable, but watch it yourself

J1939 code SPN 1324. Below — how the fault is worded at the factory by DAF, KAMAZ, MAZ, SITRAK and YaMZ, and what the second half of the code (FMI) means in the standard.

DAFKAMAZMAZSITRAKYaMZ

DAF

FMI 31Cylinder #2 misfire detected

KAMAZ

FMI 3Misfire in cylinder 2

MAZ

FMI 3Misfire detected in cylinder 2 - Misfire. Blink code: 5-1-2. Repair: Check the injector connections and the injector harness.

SITRAK

FMI 2Misfire detected on cylinder 2. Scan tool code: P0305. Effect: Torque may be limited.
FMI 9Misfire detected on cylinder 2. Scan tool code: P0303. Effect: Torque may be limited.
FMI 11Misfire in cylinder 2
FMI 31Cylinder 2 catalyst-damaging misfire

YaMZ

FMI 3Fault detected, misfire in cylinder 2 (Misfire). Blink code: 5-1-2. Repair: Check the injector connections and the injector harness.

What FMI means in J1939

SPN 1324 FMI 21324/2 · 1324.2data erratic or intermittent
SPN 1324 FMI 31324/3 · 1324.3voltage above normal or shorted high
SPN 1324 FMI 91324/9 · 1324.9abnormal update rate
SPN 1324 FMI 111324/11 · 1324.11root cause not known
SPN 1324 FMI 311324/31 · 1324.31condition exists (see manufacturer description)

Can I keep driving

Safe to drive. Below — how much time you have and what happens if you keep going.

What happens if you keep driving

Time you have: Drivable, but watch it yourself

This is an electrical fault: an open, a short or a bad contact in the sensor circuit. The value it measures is most likely fine.

You can drive. But until the circuit is repaired this system runs blind and cannot warn you about a real failure.

Nearby: other

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